Base | Representation |
---|---|
bin | 111001100000… |
… | …0100110001001 |
3 | 2002201201122200 |
4 | 1303000212021 |
5 | 30204232001 |
6 | 2554110413 |
7 | 514155651 |
oct | 163004611 |
9 | 62651580 |
10 | 30149001 |
11 | 16022433 |
12 | a11b409 |
13 | 6327a5c |
14 | 400b361 |
15 | 29a8086 |
hex | 1cc0989 |
30149001 has 12 divisors (see below), whose sum is σ = 43596228. Its totient is φ = 20077344.
The previous prime is 30148967. The next prime is 30149033. The reversal of 30149001 is 10094103.
It can be written as a sum of positive squares in 2 ways, for example, as 17015625 + 13133376 = 4125^2 + 3624^2 .
It is not a de Polignac number, because 30149001 - 213 = 30140809 is a prime.
It is a super-2 number, since 2×301490012 = 1817924522596002, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (30149051) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14631 + ... + 16563.
It is an arithmetic number, because the mean of its divisors is an integer number (3633019).
Almost surely, 230149001 is an apocalyptic number.
It is an amenable number.
30149001 is a deficient number, since it is larger than the sum of its proper divisors (13447227).
30149001 is a wasteful number, since it uses less digits than its factorization.
30149001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3672 (or 3669 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 18.
The square root of 30149001 is about 5490.8105958957. The cubic root of 30149001 is about 311.2368243322.
The spelling of 30149001 in words is "thirty million, one hundred forty-nine thousand, one".
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